Meaning & Definition of word "Efficacy"
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Efficacy
/ˈɛfɪkəsi/
noun:
- 1. The ability to produce a desired or intended result.
- Example: The efficacy of the new vaccine was demonstrated in clinical trials.
- 2. Effectiveness; the capacity to produce a desired effect.
- Example: Researchers are studying the efficacy of various treatments for the disease.
- 3. The power to produce an effect.
- Example: The efficacy of the advertising campaign was reflected in the increased sales.
- 4. The degree to which something is successful in producing a desired result.
- Example: There are concerns about the long-term efficacy of the drug.
- 5. Success in achieving the intended outcome.
- Example: The efficacy of meditation in reducing stress has been well-documented.
Etymology
Late Latin 'efficacia', from 'efficax' meaning 'effective'.
Common Phrases and Expressions
efficacy of a treatment:
The ability of a treatment to provide the intended health benefit.
efficacy research:
Studies conducted to evaluate the effectiveness of treatments or interventions.
demonstrate efficacy:
To show that something is able to produce the desired effect.
Related Words
effective:
Having the desired outcome.
efficiency:
The ability to accomplish something with the least waste of time and effort.
effect:
A change that is a result or consequence of an action.
Slang Meanings of efficacy
Meaning: Do the job
Example Sentence: That new app really does the job when it comes to improving productivity.
Meaning: Hits the mark
Example Sentence: The new marketing strategy hits the mark in attracting a younger audience.